Riello NexSirius, Instructions For The Installer And The Technical Service Centre

Page: 87 / 100

NExSIRIUS
87
NExSIRIUS
87
EN
Par Variable name Description
Value range
Default
Min Max
100 SYSTEM TYPE
This parameter is used by the Installer to determine the System type:
1 2 1
Select 1 if there is no zone kit connected, otherwise select 2.
101 NOT USED
102 NOT USED
103 GMC ADDRESS
This parameter is used to identify if the board is acting as hydronic module board
(master) or zone kit board (slave).
1 2 1
To modify this parameter, connect the user interface to the specific board through
J5 connector; the user interface wiring must be as per the connection to W-C-G-Y
terminal blocks (see paragraph “Internal unit terminal block”
p. 43).
1. Master
2. Slave
104 NUI ADDRESS
Specifies the user interface connection. If this parameter is not set properly, the user
interface does not work.
242 244 242
242. User interface connected to W-C-G-Y and located on board or in the room
243. User interface connected on Rc-Rh-G2-Y2 and placed in zone 1
243. User interface connected on Rc-Rh-G2-Y2 and placed in zone 2
105 ZONES CTRL
This parameter defines the controls in zones. Use DAYS button to select:
0 4 0
0. Zone 0, 1 CTRL
0. No control
1. User interface (additional user interface, connected to Rc-Rh-G2-Y2 - zone 1)
2. Sensor
3. Thermostat
4. Unit user interface removed from the unit and installed in the zone; connected to
W-C-G-Y (zone 0)
1. Zone 2 CTRL
0. No control
1. User interface (additional user interface, connected to Rc-Rh-G2-Y2)
2. Sensor
3. Thermostat
4. Unit user interface removed from unit and installed in the zone; connected to
W-C-G-Y
106 INTERFACE CONFIG
Use DAYS button to select below mentioned functions
0 1
0. Domestic hot water input - configuration 0
0: contact close: input is active / contact open: input is not active
1: contact close: input is not active / contact open: input is active
1. Space heat/cool ON/OFF input - configuration (no impact on domestic hot water
production)
1
0: contact close: unit produces space htg/clg / contact open: unit does not produce
space htg/clg
1: contact close: unit does not produce space htg/clg / contact open: unit produces
space htg/clg
2. Heat/Cool selection input - configuration 1
0: contact close: unit performs space heating / contact open: unit performs space
cooling
1: contact close: unit performs space cooling / contact open: unit performs space
heating
3. High energy rate input - configuration 0
0: contact close: high energy rate / contact open: normal energy rate
1: contact close: normal energy rate / contact open: high energy rate
4. External HTG/CLG 0
0: Mode (Heat/Cool) is determined by dry contact
1: Mode (Heat / Cool / Off / Domestic hot water) is determined by user interface (106.2
is ignored)
5. Cool zone 0, 1 0
0: Cool in Zone 0, 1 is forbidden
1: Cool in Zone 0, 1 is permitted
6. Cool zone 2 0
0: Cool in Zone 2 is forbidden
1: Cool in Zone 2 is permitted
7. System ON/OFF input - configuration 0
0: Contact close: System Off / Contact open: System running
1: Contact close: System running / Contact open: System OFF